export function fmtNumbertoEN(num){
    return 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'[num]
}

export function fmtNumbertoType(num){
    return ['single','multiple','judge','briefAnswer'][num]
}
export function fmtTypetoNumber(str){
    return {'single':0,'multiple':1,'judge':2,'briefAnswer':3}[str]
}

export function fmtTypetoCN(num){
    return ['单选题','多选题','判断题','简答题'][num]
}

export function fmtNumbertoGrade(num){
    return ['','一年级','二年级','三年级','四年级','五年级','六年级'][num]
}